弹球游戏，点击发射弹球，可以发射任意多个，结束在同一点，触碰外围边框则反弹-Play the ball game, click launch the marble, can launch any more, ended in the same point, and touched the border is peripheral rebound

it s a simple game you have to remove maximum marbles from board. select a marble then jump over another marble to remove it(the middle one).